Finding the Fourth Proportional to 4,075,233.70, 6,112,850.55 and 2,185,665.70
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Solution
The fourth proportional to 4,075,233.70, 6,112,850.55 and 2,185,665.70 is: 3,278,498.55
Step by Step Solution
- Step 1: Write the proportion equation
4,075,233.70 : 6,112,850.55 = 2,185,665.70 : x - Step 2: Convert to fraction form
4,075,233.70/6,112,850.55 = 2,185,665.70/x - Step 3: Cross multiply
4,075,233.70x = 6,112,850.55 × 2,185,665.70 - Step 4: Simplify right side
4,075,233.70x = 13,360,647,776,361.13 - Step 5: Solve for x
x = 13,360,647,776,361.13/4,075,233.70 - Step 6: Final answer
x = 3,278,498.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.